Toothbrush sterilization system



FIG. 1 is a front view of the toothbrush sterilization system, with the front cover closed;

FIG. 2 is a right side view thereof, the left side being a mirror image;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front, right side perspective view thereof;

FIG. 7 is a top, front, right side perspective view thereof;

FIG. 8 is a bottom, front, right side perspective view thereof;

FIG. 9 is a front view of a toothbrush sterilization system, with the cover open;

FIG. 10 is a right side view thereof, the left side being a mirror image;

FIG. 11 is a back view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a bottom, perspective view thereof;

FIG. 14 is a front, right side perspective view thereof;

FIG. 15 is a top, front, right side perspective view thereof; and,

FIG. 16 is a bottom, front, right side perspective view thereof.

The broken-line showing of a toothbrush represents an environment, and the remaining broken lines illustrate portions of the toothbrush sterilization system that form no part of the claimed design. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush sterilization system, as shown and described. 